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164734984 = 2320591873
BaseRepresentation
bin10011101000110…
…10100000001000
3102110222101220201
421310122200020
5314133004414
624202501544
74040136631
oct1164324010
9373871821
10164734984
1184a96917
12472048b4
132818aa2b
1417c42888
15e6e0574
hex9d1a808

164734984 has 8 divisors (see below), whose sum is σ = 308878110. Its totient is φ = 82367488.

The previous prime is 164734967. The next prime is 164734991. The reversal of 164734984 is 489437461.

It can be written as a sum of positive squares in only one way, i.e., 110712484 + 54022500 = 10522^2 + 7350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1647349842 = 54275229906960512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10295929 + ... + 10295944.

Almost surely, 2164734984 is an apocalyptic number.

It is an amenable number.

164734984 is a deficient number, since it is larger than the sum of its proper divisors (144143126).

164734984 is a wasteful number, since it uses less digits than its factorization.

164734984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20591879 (or 20591875 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 164734984 is about 12834.9126993525. The cubic root of 164734984 is about 548.1868491009.

The spelling of 164734984 in words is "one hundred sixty-four million, seven hundred thirty-four thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 20591873 41183746 82367492 164734984